Load to Scorecard History Action should support backfilling Monthly snapshot values too

Currently through Load to Scorecard History Action, only weekly snapshot data can be loaded as the Time Granularity is set to Weekly by default and is uneditable.

There is no provision to backfill Monthly snapshot data. Hence for the loaded weekly snapshots, there wont be any entries for Monthly snapshot which makes the data incomplete. Load to Scorecard History Action should provide the Monthly Time Granularity option too.